After a year of constant work, a secret society takes it upon themselves to save Sherlock from running himself into the ground. He is kidnapped and kept under guard so he will recuperate, but the great detective's mind won't allow him to take this lying down.

The year is 1990, and the world is becoming a very different place. Thirteen year old Sherlock Holmes, on holiday break from his school, has gone missing. When he reappears, he has an incredible story to tell. Mystery, intrigue and bad blood in an era of transformation.

"Which is it to-day," I asked, "morphine or cocaine?" He raised his eyes languidly from the old black-letter volume which he had opened. "It is cocaine," he said, "a seven-per-cent solution. Would you care to try it' - Sign of the Four. Sherlock Holmes thought that the drugs were within his control, a way of managing the problems of his existence. He was wrong.